/Engine/Plugins/Online/OnlineSubsystemSteam/Source/Public/OnlineEncryptedAppTicketInterfaceSteam.h
Only call this after OnDataEncryptResultDelegate has reported the data to be available.
True if the function call was successful, otherwise false.
bool GetEncryptedAppTicket ( [TArray](API\Runtime\Core\Containers\TArray)< uint8 > & OutEncryptedData )